What is probability of randomly selecting a marble and getting black or red? a bag contains 5 black marbles, 10 red marbles, and

Question

Lady_Fox [76]

3 years ago

10

What is probability of randomly selecting a marble and getting black or red? a bag contains 5 black marbles, 10 red marbles, and

20 blue marbles?

Mathematics

1 answer:

seropon [69] · Answer 1 · 2022-09-03T02:42:50+03:00

seropon [69]3 years ago

7 0

This is a mutually exclusive event because you can't choose both at the same turn you can only pick one or the other. so we add the event chances together,
5/35 + 10/35 = 15/35 or reduced 3/7